Adib Saikali

Distinguished Engineer, Broadcom

Adib Saikali is a distinguished engineer at Tanzu by Broadcom, helping enterprise customers design and build cloud-native applications using Spring and Kubernetes. He is the author of Securing Cloud Applications, a book that teaches developers the fundamental security technologies required to secure cloud applications. With 25 years of experience across startups and enterprises, Adib has held roles including developer, architect, agile coach, and CTO. His diverse background gives him a 360-degree perspective on building software systems efficiently and economically, ensuring security, scalability, and long-term sustainability.

Alex Soto

Director of Developer Experience, Red Hat

Alex Soto is Director of Developer Experience at Red Hat and a Java Champion. He’s the co-author of several technical books and a contributor to open-source projects in the Java and Kubernetes ecosystems. Alex is an international speaker and teacher who is passionate about automation and open-source development. He helps developers improve their productivity through better tooling and practices.

Amanda Silver

CVP Developer Division, Microsoft

Amanda Silver is the CVP of Product for Microsoft's Developer Division, which includes the Visual Studio family of products, .NET, TypeScript, and our developer platforms. She has been key to Microsoft's transformation to contribute to open source with the introduction of TypeScript, Visual Studio Code, and the acquisition of both Xamarin and GitHub. She believes that a tight digital feedback loop with zero distance between end-users and engineering teams is a critical element of great product development.

Anthony Dahanne

Java Buildpack Maintainer, Broadcom

Anthony Dahanne has been a software developer for over 15 years, focusing on containerization (Docker, Kubernetes), build tools, continuous integration, and Java development. At Broadcom, he works on CNCF, Tanzu, and Cloud Foundry Java buildpacks. Passionate about open source, he contributes to various projects, from Mastodon bots in NodeJS and Go to Android apps. Anthony enjoys sharing knowledge with the community through conference talks, meetups, and blog posts. He believes strongly in automation, developer productivity, and making cloud-native Java applications easier to build and maintain.

Bazlur Rahman

Java Champion, DNAstack

A N M Bazlur Rahman is a Java Champion, software engineer, and community leader with over a decade of experience. He is the founder of the Java User Group Bangladesh and a frequent speaker at international conferences on topics like concurrency and virtual threads. He has authored five best-selling Java books in Bengali and is currently writing Modern Concurrency in Java for O'Reilly. Bazlur also contributes as an editor for InfoQ and Foojay.io, supporting Java education and developer advocacy worldwide. His mission is to empower developers through knowledge-sharing.

Brian Benz

Java Champion & Cloud Advocate, Microsoft

Brian is a Java Champion and a Cloud Advocate at Microsoft, helping developers get the most out of Azure. Before Joining Microsoft, he was a program manager, evangelist, solution architect, consultant, developer, and author at IBM, Deloitte, and other companies.

Bruno Borges

Principal Program Manager, Microsoft

Bruno Borges is a Product Manager at Microsoft, helping internal teams and Azure customers optimize Java workloads for better performance and cost efficiency. He also plays a key role in shipping the Microsoft Build of OpenJDK. Previously, he was part of Azure Developer Relations, worked as a Cloud Developer Engagement PM at Oracle, and has deep roots as a Java developer. Passionate about developer productivity and cloud technologies, Bruno enjoys sharing insights, engaging with the community, and—most importantly—being opinionated!

Daniel Garnier-Moiroux

Software Engineer, Broadcom

Daniel Garnier-Moiroux is a software engineer on the Spring team, working on Spring Security and Single Sign-On (SSO) for applications. He is passionate about secure application development and ensuring developers have the right tools to protect their applications. In addition to his work on Spring, he serves as an adjunct professor at Mines Paris, where he teaches computer science and software engineering. Daniel enjoys contributing to open-source projects and mentoring students. His expertise spans cloud security, authentication, and building scalable, resilient applications.

Daniel Kec

Helidon Developer, Oracle

Daniel Kec is a software developer specializing in Java and cloud-native technologies. He has worked in various companies exploring different aspects of Java before joining the team that develops Helidon, a modern microservices framework for Java. Daniel focuses on improving developer experience and performance optimizations for Helidon. He is passionate about open-source contributions and sharing his knowledge with the Java community. His expertise includes reactive programming, containerized applications, and distributed systems. When not coding, he enjoys exploring new technologies and contributing to Java-focused projects.

Daniel Oh

Senior Principal Developer Advocate, Red Hat

Daniel Oh is a Java Champion and Senior Principal Developer Advocate at Red Hat, helping developers build cloud-native applications and serverless solutions on Kubernetes. He is an active CNCF Ambassador, contributing to open-source projects that accelerate DevOps adoption. Daniel speaks at technical conferences, workshops, and meetups, discussing emerging technologies like event-driven architectures, cloud security, and AI-powered development. He enjoys writing about best practices for enterprise developers and DevOps teams. His mission is to make cloud-native development more accessible and scalable for organizations worldwide.

Dan Vega

Spring Developer Advocate, Broadcom

Dan Vega is a Spring Developer Advocate at VMware Tanzu with over 20 years of experience in web development. He is passionate about problem-solving and shares his knowledge through blogging, YouTube, online courses, and speaking engagements. Dan specializes in helping developers understand modern Java, Spring Boot, and cloud technologies. A lifelong learner, he thrives on educating and mentoring the next generation of developers. Dan lives near Cleveland, Ohio, with his wife and two daughters. Outside of work, he enjoys weightlifting, running, reading, and spending time with his family.

DaShaun Carter

Spring Developer Advocate, Broadcom

DaShaun Carter is a Spring Developer Advocate at Broadcom, committed to building better software faster. He’s also a father of four, former professional cheerleader, and Raspberry Pi enthusiast. DaShaun shares his learning journey through blogs, public talks, and community engagement. He brings high energy and hands-on insights to the developer community.

David O'Sullivan

Buildpacks Developer, Broadcom

David O'Sullivan is a Buildpacks Developer at Broadcom, specializing in Java Buildpacks under Paketo and VMware Tanzu. With deep expertise in cloud-native Java applications, he focuses on improving containerized application delivery and streamlining the build and deployment process for developers. Passionate about open-source technologies, David actively contributes to the evolution of Java Buildpacks, ensuring seamless integration with modern cloud platforms.

Edward Burns

Principal Architect for Java on Azure, Microsoft

Ed has worked on a wide variety of client and server side web technologies since 1994, including NCSA Mosaic, Netscape 6, Mozilla, the Sun Java Plugin, Jakarta Tomcat and JavaServer Faces, and most recently, the Servlet specification. Ed has lead or co-lead the expert groups for Servlet and JavaServer Faces. Ed has published four books with McGraw-Hill: JavaServerFaces: The Complete Reference (2006), Secrets of the Rockstar Programmers: Riding the IT crest (2008) JavaServer Faces 2.0: The Complete Reference (2010) and Hudson Continuous Integration In Practice (2013).

Emmanuel Hugonnet

Developer, Red Hat

Emmanuel Hugonnet is a developer at Red Hat who has been active in the Java ecosystem for over 25 years. He contributes to Jakarta EE, WildFly, and multiple open-source projects including LangChain4j and SmallRye LLM. Emmanuel is a JUG leader, co-founder of SnowCamp, and a member of the Apache NetBeans Dream Team. He’s recently focused on integrating generative AI into enterprise Java development.

Emily Jiang

Cloud Native Architect and Chief Advocate, IBM

Emily Jiang is a Java Champion. She is Liberty Cloud Native Architect and Chief Advocate, Senior Technical Staff Member (STSM) in IBM, based at Hursley Lab in the UK. Emily is a MicroProfile guru and has been working on MicroProfile since 2016 and leads a number of specifications including MicroProfile Config and Fault Tolerance. She interacts with most of the other MicroProfile specifications. She is also active in Jakarta EE specifications. She is a co-lead in Jakarta Config and also a Jakarta Context and Dependency Injection (CDI) committer. At IBM, she leads the effort of implementing all of MicroProfile specifications on Open Liberty. She is passionate about MicroProfile and Jakarta EE. She regularly speaks at conferences, such as QCon, Code One, DevNexus, JAX London, Voxxed, Devoxx, EclipseCon, GeeCon, JFokus, etc.

Eric Deandrea

Senior Principal Developer Advocate, Red Hat

Eric Deandrea is a Java Champion and Senior Principal Developer Advocate at Red Hat, with over 25 years of experience building Java-based systems. He’s a contributor to open-source projects like Quarkus and LangChain4j and a frequent speaker at global conferences. Eric is the author of Quarkus for Spring Developers. Outside work, he enjoys boating, hockey, and holds a black belt in Kempo Karate.

Erlina Hennies

Senior Solution Designer, T-Systems International

Erlina Hennies is a Senior Solution Designer at T-Systems International, where she specializes in application modernization using model-driven architecture. Her experience spans industries such as automotive, logistics, and telecom. Erlina focuses on bridging backend systems to presentation layers through scalable, modern solutions. She brings deep technical insight to complex enterprise IT challenges.

Frederik Hahne

Senior Software Engineer, adesso SE

Frederik Hahne has been developing web applications since 2007, working with technologies like JSP, Wicket, Angular.js, and Vue.js. Since 2022, he has been a Senior Software Engineer at adesso SE, contributing to Java-based projects. He is passionate about developer communities and leads the Java User Group Paderborn, fostering knowledge-sharing in the region. Frederik has also been a member of the JHipster Core Team since 2015, focusing on Gradle support and integration with Spring Native and GraalVM. Outside of work, he enjoys mentoring developers and contributing to open source.

Haixia Cheng

Senior Software Engineer, Microsoft

Haixia Cheng is a Senior Software Engineer for Java on Azure at Microsoft. She focuses on designing cloud-native Java EE solutions for enterprise modernization. She is a maintainer of Quarkus Azure Services Extensions and works closely with customers to migrate legacy applications to Azure. Haixia also contributes to translating technical books, including AI-Assisted Programming, and serves as a reviewer for Microsoft Azure for Java Developers. Her passion lies in cloud adoption, open-source technologies, and empowering developers with scalable cloud solutions.

Jay Lee

App Innovation Specialist, Microsoft

Jay Lee is an App Innovation Specialist at Microsoft, helping large enterprises modernize their applications using AI, cloud-native microservices, and Kubernetes. He works closely with customers to guide them through their modernization journeys. Jay brings a practical approach to designing future-ready enterprise solutions. His focus is on enabling scalable, intelligent apps.

Jonathan Schneider

Co-founder, Moderne

Jonathan Schneider is the co-founder and CEO of Moderne, a Miami-based company that automates software maintenance at scale. He founded OpenRewrite at Netflix and created the Micrometer project as part of the Spring Team. Jonathan is also the author of SRE with Java Microservices (O’Reilly). Before his software career, he served in the U.S. Army, earning two Bronze Stars. His passion is helping enterprises modernize their Java codebases efficiently and sustainably. He regularly speaks at conferences about automation in software development and Java tooling.

Josh Long

Spring Developer Advocate, Broadcom

Josh Long (@starbuxman) is the Spring Developer Advocate at Broadcom, a Java Champion, and an author of multiple books, including Cloud Native Java (O'Reilly). He has also created best-selling video courses on Spring Boot and microservices. An open-source contributor, he has worked on Spring Boot, Spring Integration, Spring Cloud, Activiti, and Vaadin. Josh is a passionate advocate for Kotlin and frequently speaks at conferences worldwide. His expertise spans distributed systems, reactive programming, and cloud-native development. He loves interacting with the Java community and mentoring new developers.

Julia Kordick

Global Black Belt, Developer Productivity, Microsoft

Julia Kordick is a full-stack developer, cloud solution architect, and developer productivity expert at Microsoft. She specializes in improving developer velocity and happiness. With a background in software architecture, she enjoys solving complex technical problems and advocating for cloud-native development. Julia is passionate about hackathons, gaming, and mentoring developers. As a Global Black Belt, she partners with teams to enhance productivity strategies. She also enjoys espresso martinis and American football, bringing her energy and expertise to every challenge.

Kito Mann

Principal Consultant, Virtua, Inc.

Kito D. Mann is Principal Consultant at Virtua, Inc., specializing in cloud, microservices, and web development with Java and Jakarta EE. He’s the author of JavaServer Faces in Action and co-host of The Stackd Podcast. Kito has served on multiple Java Community Process expert groups and is a Java Champion and Google Developer Expert. He’s a frequent speaker at conferences worldwide.

Lize Raes

Product Manager & Developer Advocate, Naboo.ai

Lize Raes is a Product Manager and Developer Advocate at Naboo.ai, where she helps build next-generation developer productivity tools. She is an active collaborator at LangChain4j and enjoys inspiring developers to apply AI in real-world applications. Passionate about technology’s role in societal challenges, she has worked as a cochlear implant researcher at Ghent University, a bioinformatics engineer for drug development software, and an advisor to the Belgian government during COVID-19. In her free time, she enjoys playing the piano and woodworking.

Dr. Lofi Dewanto

Head of Sales Applications Group – Java Competence Center, DEVK Insurance

Dr. Lofi Dewanto leads the Java Competence Center at DEVK Insurance in Germany. He’s a long-time Java developer, author, and trainer with a special interest in GWT, J2CL, and model-driven software development. Lofi has been building Java applications since its earliest versions. He continues to advocate for Java as the "one for all" programming language.

Loiane Groner

Java Champion, Angular GDE, Microsoft MVP, Oracle ACE, and Engineering Director, BNY

Loiane Groner is a Java Champion, Angular GDE, Microsoft MVP, and Oracle ACE with over 18 years of experience. As an Engineering Director at BNY, she leads teams in building enterprise solutions. In her spare time, she contributes to the developer community by publishing tech videos on YouTube and creating free programming courses. She actively speaks at conferences, sharing insights on Java, Angular, and cloud technologies. Loiane is passionate about mentoring and empowering developers through education.

Marcus Hellberg

VP of Developer Relations, Vaadin

Marcus Hellberg is VP of Developer Relations at Vaadin, where he helps developers build modern web apps with Java. With over 20 years of experience, Marcus is passionate about merging web technologies with Java. He’s a Java Champion who loves teaching and learning from the community. He’s known for making complex topics approachable for developers of all levels.

Mark Heckler

Principal Cloud Developer Advocate, Microsoft

Mark Heckler is a software developer, Principal Cloud Developer Advocate for Java at Microsoft, Java Champion, and Kotlin Developer Expert. He has worked with enterprises and government organizations to develop production-ready software solutions for cloud and edge computing. Mark is an active open-source contributor and author of Spring Boot: Up and Running. He frequently speaks at conferences, sharing expertise in cloud-native development, Java, and microservices architecture. Follow him on X @mkheck for insights on Java, Spring, and modern software development.

Mary Grygleski

AI Practice Lead, TED/x Speaker, Java Champion, President of Chicago-JUG, Chapter Co-Lead of AICamp-Chicago, Callibrity

Mary is a Java Champion, and the AI Practice Lead at Callibrity, a consulting firm based in Cincinnati, Ohio. She started as an engineer in Unix/C, then transitioned to Java around 2000 and has never looked back since then. After 20+ years of being a software engineer and technical architect, she discovered her true passion in developer and customer advocacy. Most recently she has serviced companies of various sizes such as IBM, US Cellular, Bank of America, Chicago Mercantile Exchange, in topic areas that included Java, GenAI, Streaming systems, Open source, Cloud and Distributed messaging systems. She is also a very active tech community leader outside of her day job. She is the President of the Chicago Java Users Group (CJUG), and the Chicago Chapter Co-Lead for AICamp.

Misha Dmitriev

Senior Staff Engineer, JXRay

Misha Dmitriev is a Senior Staff Engineer at JXRay and a long-time expert in Java performance. Since starting his career at Sun Labs in 2001, he has worked at Google, Twitter, Oracle, and more. Misha is the creator of JXRay, a Java memory analysis tool licensed by Microsoft. He leads Java platform efforts at JXRay, focused on tools and performance optimization.

Mohamed Taman

Chief Solutions Architect, Magna International

Mohamed Taman is a Java Champion, Oracle ACE Alumni, and JCP member with deep expertise in Java SE, Jakarta EE, and cloud-native technologies. He has contributed to Java Specification Requests (JSRs) and is a leader in Java and DevOps communities. Mohamed is an international speaker and author of multiple books, including JavaFX Essentials and Hands-On Java 10 Programming with JShell. He has won multiple Duke’s Choice and JCP awards. His passion lies in driving innovation and mentoring developers worldwide.

Nagarjuna Vipparthi

Senior Product Manager, Microsoft

Nagarjuna Vipparthi is a Senior Product Manager in the Developer Division at Microsoft, where he leads efforts around Azure Load Testing. He brings over a decade of experience across product management, automation testing, machine learning, and web application development. Nagarjuna is passionate about building tools that help developers deliver high-performing, reliable applications. He enjoys working at the intersection of engineering and customer success.

Nick Zhu

Senior Product Manager, Microsoft

Nick Zhu is a Senior Product Manager at Microsoft, focusing on VS Code, Java development, and cloud-native technologies. With years of experience in developer tooling and enterprise software, he works on making Java development more efficient and productive. Nick collaborates with open-source communities to enhance developer experience in modern cloud applications. He regularly speaks at conferences, sharing insights on Java, IDEs, and DevOps. His passion lies in improving the tools developers use every day, ensuring seamless and scalable development workflows.

Reza Rahman

Principal Program Manager, Java on Azure, Microsoft

Reza Rahman is Principal Program Manager for Java on Azure at Microsoft, ensuring Java developers are first-class citizens in the ecosystem. A former Oracle Java technologist, he has spoken at global Java conferences, including JavaOne, DevNexus, and JakartaOne. He has been a Java EE track lead, Jakarta EE ambassador, and expert group member for multiple Java standards. Reza co-leads the Philadelphia Java User Group and represents Microsoft in Jakarta EE and MicroProfile steering committees. He is passionate about open-source Java and enterprise application modernization.

Rich Hagarty

Dev Advocate, IBM

Rich Hagarty is a software developer and Developer Advocate at IBM, currently focusing on Java and Open Source related technologies. Based in Austin, TX, Rich has been active in the developer community for the past 7 years, working on cloud computing and AI technologies. He has created numerous learning paths, code patterns, articles, and videos - all to help developers understand and utilize IBM and Open Source technologies.

Ron Veen

Special Agent, Team Rockstars IT

Ron Veen is a Java enthusiast and Special Agent at Team Rockstars IT with over 15 years of JVM experience. He’s worked across a wide range of technologies, from midrange systems to microservices. Ron speaks regularly at conferences and is currently writing a book on Jakarta EE 10. He’s a fan of alternative JVM languages like Groovy, Scala, and Kotlin.

Rory Preddy

Principal Cloud Advocate, Microsoft

Rory Preddy is a Principal Cloud Advocate at Microsoft, specializing in helping developers discover and successfully use Microsoft’s platforms. As part of the Developer Relations team, he leverages deep research skills to support cloud developers in building scalable, efficient solutions. A seasoned speaker known for his engaging and humorous presentations, Rory travels the world empowering developers to achieve more. His passion lies in fostering innovation, sharing knowledge, and making cloud technologies more accessible to the global developer community.

Sandra Ahlgrimm

Senior Cloud Advocate, Microsoft

Sandra Ahlgrimm is a Senior Cloud Advocate at Microsoft, specializing in open-source technologies and Java. She previously worked at Axel Springer companies, gaining deep experience in coding and DevOps at scale. This expertise helped her establish automated infrastructure, DevOps pipelines, and agile practices at a startup. In her first year at Microsoft, she supported enterprises with Kubernetes, DevOps, and agile transformation. For the past five years, she has focused on advocating for cloud-native Java and open-source development.

Sean Li

Product Manager, Java on Azure, Microsoft

Sean Li is a Product Manager on the Java on Azure team at Microsoft. He’s led the development of key services such as Azure Spring Apps, Java on Azure Container Apps, and Spring integrations with Azure. Sean actively shares insights through blogs and talks to help others explore new Java technologies. He’s committed to making cloud-native Java development more accessible.

Syed M "Shaaf"

Developer Advocate, Red Hat

Shaaf is a Sr Principal Developer Advocate at Red Hat. A contributor to Konveyor community a CNCF Sandbox project. A technical Editor at InfoQ. Mostly developing code with Java, Node and recently AI/ML. For the last 25 years, he has helped customers create and adopt open source solutions for applications, cloud and managed service, continuous integration environments, and frameworks. Shaaf is a technical editor at InfoQ and spends his time writing about Kubernetes, Security and Java.

Theodorus Leonardus van Kraay

Principal Program Manager, Microsoft

Theodorus (Theo) van Kraay is a Principal Program Manager at Microsoft specializing in NoSQL and distributed computing. Since joining Microsoft in 2017, he has been a key member of the Azure Cosmos DB Engineering team, where he focuses on AI, programmability, and growing the developer ecosystem. Theo works closely with developers and enterprises to optimize performance and scalability in cloud-native applications. He is passionate about data architectures, developer experience, and integrating AI-driven solutions into modern distributed systems.

Yee-Kang Chang

Developer Advocate & Architect, IBM

Yee-Kang (YK) Chang is the lead developer advocate for IBM’s application platform and an architect for Open Liberty’s developer experience. He actively contributes to open-source projects, including Eclipse Language Servers for MicroProfile & Jakarta EE. YK is passionate about simplifying development workflows and improving cloud-native Java tooling. He regularly speaks at conferences, sharing best practices for modern enterprise Java. His mission is to make Java development seamless, scalable, and future-ready for organizations adopting microservices architectures and cloud-native technologies.

Yoshio Terada

Senior Cloud Advocate, Microsoft

Yoshio Terada is a Senior Cloud Advocate at Microsoft, specializing in Java on Azure and Kubernetes. With over a decade as a Java evangelist, he has promoted cloud-native microservices architectures worldwide. In 2013, he was recognized by NIKKEI as one of “100 professionals energizing the world.” Yoshio has served as a board member of the Japanese Java Users Group and became an Oracle Java Champion in 2016. He is dedicated to fostering Java adoption in cloud and enterprise solutions.